Ballpoint pen



FIG. 1 is a perspective view of the ballpoint pen showing my new design in a status with a tip covered by a cap;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof in a status with the tip exposed for use;

FIG. 7 is a top view thereof with the cap omitted;

FIG. 8 is a bottom view thereof with the cap omitted;

FIG. 9 is a rear view of FIG. 6 in a status with the tip exposed for use;

FIG. 10 is a front view thereof in a status with the tip exposed for use;

FIG. 11 is a bottom view thereof in a status with the tip exposed for use; and,

FIG. 12 is a perspective view thereof in a status with the tip exposed for use. 

The ornamental design for a ballpoint pen, as shown and described. 